Average Co-Inventor Count = 3.43
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Penn-plax, Inc. (2 from 12 patents)
2 patents:
1. 5722348 - Small animal globular housing module
2. 5664525 - Small animal visual burrowing module